Obviously problems are my fault :)
https://rt.cpan.org/Ticket/Display.html?id=28142
+ - the mask for ICO/CUR images is now applied as an alpha channel to
+ the returned image. For the old behaviour, supply ico_masked => 0
+ to read() or read_multi(). This should be less confusing when
+ using Imager as a general image processor.
+ https://rt.cpan.org/Ticket/Display.html?id=29001
+
Bug fixes:
- in some cases it's possible for giflib/libungif to return color